Phil (Medway Hosting) wrote:
>> There are still a shed load of legitimate mail systems that don't have
>> reverse DNS. Block them by all means, but don't be under the impression
>> that you wont block any wanted mail by doing so.
>
> IIRC AOL now block all mail from servers with no rDNS. There are a few other
> major players who have also done it recently (although I can't remember
> which). I have been doing it for a few years now and no complaints (although
> I only defer the message just in case of some sort of DNS failure - I
> believe most people do it that way).
You've almost certainly blocked legitimate mail, but it just wasn't
reported. A lot of people block on missing RDNS, and some major players
do too, but the majority of mail systems out there probably don't even
consider it.
--
Mike Cardwell - IT Consultant and LAMP developer
Cardwell IT Ltd. (UK Reg'd Company #06920226)
http://cardwellit.com/
